Is it normal for the check engine light to come on after changing the battery?
It is entirely possible that the battery was faulty causing low voltage at the computer, which in turn can turn on the check engine light. Most good shops today will test a car’s battery before performing any complicated diagnostic testing.
Why is my battery light on after replacing battery?
There are usually two things that cause the battery light to come on after a battery replacement. The other is corrosion interfering with current flow, the result of changing out the battery without cleaning the terminal connectors and other connections along the starting and charging circuits.
Can a low battery cause a check engine light?
If the battery is low then it can cause the check engine light to come on and other electrical issues to occur. If the battery is giving you problems then it should be replaced and the computer scanned for codes to see what is going on.
How to disconnect my Check Engine light?
How to Get Rid of the “Check Engine” Light Drive Your Car and Let the Light Go off by Itself. The first and easiest method for clearing the check engine light is driving and time. Turn the Car on and off Three Times. Some vehicles will automatically reset the trouble codes that caused the initial error after the vehicle is turned on and off Disconnect and Reconnect the Battery.
Why does the Check Engine light come on while driving?
A loose fuel cap is one of the most common reasons why the check engine light turns on. The cap is a crucial part of a car’s fuel delivery system. It notably prevents gasoline fumes from leaving the fuel tank, and it helps keep the whole system under the correct pressure.
What does service engine light mean?
The Service (or Service Engine) light is a warning light that is connected to the engine control unit (ECU) of a vehicle. The ECU is the brain of the car and monitors a number of systems, including: Emissions: There are sensors throughout the engine management system on all cars manufactured since 1996…
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